| Port Huron to Potenza Picena | 4,537.13 mi (7,301.80 km) |
| Port Huron to Pozzallo | 4,872.88 mi (7,842.14 km) |
| Port Huron to Pozzuoli | 4,664.86 mi (7,507.37 km) |
| Port Huron to Prato | 4,414.53 mi (7,104.50 km) |
| Port Huron to Preganziol | 4,390.89 mi (7,066.46 km) |
| Port Huron to Priolo Gargallo | 4,867.93 mi (7,834.17 km) |
| Port Huron to Priverno | 4,599.00 mi (7,401.38 km) |
| Port Huron to Pulsano | 4,815.64 mi (7,750.02 km) |
| Port Huron to Putignano | 4,785.64 mi (7,701.75 km) |
| Port Huron to Qualiano | 4,662.01 mi (7,502.78 km) |
| Port Huron to Quarrata | 4,411.28 mi (7,099.27 km) |
| Port Huron to Quartu Sant'Elena | 4,523.26 mi (7,279.48 km) |
| Port Huron to Quartucciu | 4,522.45 mi (7,278.18 km) |
| Port Huron to Quattro Castella | 4,359.05 mi (7,015.22 km) |
| Port Huron to Quinto di Treviso | 4,386.27 mi (7,059.01 km) |
